AS Combinations Maths Question help

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  1. raiyej's Avatar
    1 12-06-2010  18:30
    • Junior Member
    • Posts: 25
    AS Combinations Maths Question help
    Can someone please help with the following:

    The letters of the word POSSESSES are written on 9 cards. Four of them are selected and arranged in a straight line.

    a. How many possible selections are there of 4 letters
    b. How many arrangements are there of 4 letters

    Thank You
  2. raiyej's Avatar
    2 12-06-2010  18:37
    • Junior Member
    • Posts: 25
    Re: AS Combinations Maths Question help
    anyone?
  3. raiyej's Avatar
    3 12-06-2010  21:13
    • Junior Member
    • Posts: 25
    Re: AS Combinations Maths Question help
    Helllo
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